export const LOWER = "abcdefghijklmnopqrstuvwxyz"
	, UPPER = LOWER.toUpperCase()
	, DIGIT = "0123456789"
	, class2type = {}
	, hasOwn = class2type.hasOwnProperty
	, fnToString = hasOwn.toString
	, ObjectFunctionString = fnToString.call(Object)
	, getProto = Object.getPrototypeOf
	, _toString = class2type.toString;
